2100000033191 has 2 divisors, whose sum is σ = 2100000033192. Its totient is φ = 2100000033190.

The previous prime is 2100000033181. The next prime is 2100000033319. The reversal of 2100000033191 is 1913300000012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100000033191 is a prime.

It is a super-2 number, since 2×2100000033191² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100000033101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050000016595 + 1050000016596.

It is an arithmetic number, because the mean of its divisors is an integer number (1050000016596).

Almost surely, 2^{2100000033191} is an apocalyptic number.

2100000033191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100000033191 is an equidigital number, since it uses as much as digits as its factorization.

2100000033191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The spelling of 2100000033191 in words is "two trillion, one hundred billion, thirty-three thousand, one hundred ninety-one".